From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
Oleksij Rempel <o.rempel@pengutronix.de>,
Wei Fang <wei.fang@nxp.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
kernel@pengutronix.de, linux-kernel@vger.kernel.org,
netdev@vger.kernel.org, Shenwei Wang <shenwei.wang@nxp.com>,
Clark Wang <xiaoning.wang@nxp.com>,
NXP Linux Team <linux-imx@nxp.com>
Subject: Re: [PATCH net-next v6 5/8] net: phy: Immediately call adjust_link if only tx_lpi_enabled changes
Date: Mon, 26 Feb 2024 17:53:31 +0000 [thread overview]
Message-ID: <ZdzQG6t2slqEyH0m@shell.armlinux.org.uk> (raw)
In-Reply-To: <e679f467-d4cd-4a1e-9bfc-92e2c9bf35d4@broadcom.com>
On Mon, Feb 26, 2024 at 09:50:02AM -0800, Florian Fainelli wrote:
> This is the source of the concern, we don't know which MAC drivers we might
> end-up breaking by calling adjust_link(link == 1) twice in a row, hopefully
> none, because they should be well written to only update the parameters that
> need updating, but who knows?
Just quickly... There are some (I went through a bunch.) They don't
support EEE. I haven't been through all though, so there could be
some which support EEE and where adjust_link() with phydev->link=true
twice in a row could result in badness.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2024-02-26 17:53 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-23 9:44 [PATCH net-next v6 0/8] net: ethernet: Rework EEE Oleksij Rempel
2024-02-23 9:44 ` [PATCH net-next v6 1/8] net: add helpers for EEE configuration Oleksij Rempel
2024-02-23 9:44 ` [PATCH net-next v6 2/8] net: phy: Add phydev->enable_tx_lpi to simplify adjust link callbacks Oleksij Rempel
2024-02-23 9:44 ` [PATCH net-next v6 3/8] net: phy: Add helper to set EEE Clock stop enable bit Oleksij Rempel
2024-02-23 9:44 ` [PATCH net-next v6 4/8] net: phy: Keep track of EEE configuration Oleksij Rempel
2024-02-23 9:44 ` [PATCH net-next v6 5/8] net: phy: Immediately call adjust_link if only tx_lpi_enabled changes Oleksij Rempel
2024-02-23 10:38 ` Russell King (Oracle)
2024-02-23 12:49 ` Oleksij Rempel
2024-02-23 13:17 ` Andrew Lunn
2024-02-23 13:26 ` Russell King (Oracle)
2024-02-23 17:53 ` Florian Fainelli
2024-02-24 17:57 ` Oleksij Rempel
2024-02-26 16:44 ` Andrew Lunn
2024-02-26 17:50 ` Florian Fainelli
2024-02-26 17:53 ` Russell King (Oracle) [this message]
2024-02-26 18:59 ` Andrew Lunn
2024-02-27 5:35 ` Oleksij Rempel
2024-02-27 16:12 ` Andrew Lunn
2024-02-23 9:44 ` [PATCH net-next v6 6/8] net: phy: Add phy_support_eee() indicating MAC support EEE Oleksij Rempel
2024-02-23 9:44 ` [PATCH net-next v6 7/8] net: fec: Move fec_enet_eee_mode_set() and helper earlier Oleksij Rempel
2024-02-23 9:44 ` [PATCH net-next v6 8/8] net: fec: Fixup EEE Oleksij Rempel
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